diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.pdt/src/com/android/ide/eclipse/pdt/internal/DevTreeProjectProvider.java')
-rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.pdt/src/com/android/ide/eclipse/pdt/internal/DevTreeProjectProvider.java | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.pdt/src/com/android/ide/eclipse/pdt/internal/DevTreeProjectProvider.java b/eclipse/plugins/com.android.ide.eclipse.pdt/src/com/android/ide/eclipse/pdt/internal/DevTreeProjectProvider.java new file mode 100644 index 000000000..b44d2cb49 --- /dev/null +++ b/eclipse/plugins/com.android.ide.eclipse.pdt/src/com/android/ide/eclipse/pdt/internal/DevTreeProjectProvider.java @@ -0,0 +1,140 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.ide.eclipse.pdt.internal; + +import com.android.ide.eclipse.pdt.PdtPlugin; + +import org.eclipse.core.resources.IProject; +import org.eclipse.core.resources.IWorkspace; +import org.eclipse.core.resources.ResourcesPlugin; +import org.eclipse.core.runtime.CoreException; +import org.eclipse.core.runtime.IPath; +import org.eclipse.core.runtime.Path; +import org.eclipse.jdt.core.JavaCore; +import org.eclipse.jface.viewers.IStructuredContentProvider; +import org.eclipse.jface.viewers.LabelProvider; +import org.eclipse.jface.viewers.Viewer; +import org.eclipse.jface.window.Window; +import org.eclipse.ui.IWorkbenchWindow; +import org.eclipse.ui.PlatformUI; +import org.eclipse.ui.dialogs.ListDialog; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +/** + * Base class providing a {@link #getProject()} method to find the project matching the dev tree. + * + */ +class DevTreeProjectProvider { + protected IProject getProject() { + // Get the list of project for the current workspace + IWorkspace workspace = ResourcesPlugin.getWorkspace(); + List<IProject> projects = Arrays.asList(workspace.getRoot().getProjects()); + if (projects.size() == 0) { + return null; + } + + // get the location of the Dev tree + String devTree = PdtPlugin.getDevTree(); + IPath devTreePath = null; + if (devTree != null) { + devTreePath = new Path(devTree); + } + + // filter the list of projects in workspace by 2 conditions: + // 1. Only look at Java projects + // 2. If dev tree location is set, only look at projects within the dev tree + + List<IProject> devTreeProjects = new ArrayList<IProject>(projects.size()); + + for (IProject p: projects) { + if (!p.isOpen()) { + continue; + } + + if (!hasJavaNature(p)) { + continue; + } + + if (devTreePath == null || devTreePath.isPrefixOf(p.getLocation())) { + devTreeProjects.add(p); + } + } + + return selectProject(devTreeProjects); + } + + private IProject selectProject(List<IProject> devTreeProjects) { + if (devTreeProjects.size() == 0) { + return null; + } + + if (devTreeProjects.size() == 1) { + return devTreeProjects.get(0); + } + + // if there are multiple choices, prompt the user + IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); + if (window == null) { + return null; + } + + ListDialog dlg = new ListDialog(window.getShell()); + dlg.setMessage("Select Project"); + dlg.setInput(devTreeProjects); + dlg.setContentProvider(new IStructuredContentProvider() { + @Override + public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { + } + + @Override + public void dispose() { + } + + @Override + public Object[] getElements(Object inputElement) { + return ((List<?>) inputElement).toArray(); + } + }); + dlg.setLabelProvider(new LabelProvider() { + @Override + public String getText(Object element) { + return ((IProject) element).getName(); + } + }); + dlg.setHelpAvailable(false); + + if (dlg.open() == Window.OK) { + Object[] selectedMatches = dlg.getResult(); + if (selectedMatches.length > 0) { + return (IProject) selectedMatches[0]; + } + } + + return null; + } + + private boolean hasJavaNature(IProject p) { + try { + return p.hasNature(JavaCore.NATURE_ID); + } catch (CoreException e) { + return false; + } + } +} |